Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 10 µF. 11 µF. 0.1 µF. 0.09 µF. 10 µF. 11 µF. 0.1 µF. 0.09 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Eaddy current None of the listed here Air friction Fluid friction Eaddy current None of the listed here Air friction Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1% 1.2% 0.5% 1.5% 1% 1.2% 0.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 0 W. 25 W. 100 W. 50 W. 0 W. 25 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 18.2 rpm. 16.02 rpm. 12.8 rpm. 21.1 rpm. 18.2 rpm. 16.02 rpm. 12.8 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R2 and then adjust R3. ANSWER DOWNLOAD EXAMIANS APP
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